The book, which still € 8.50, became cheaper by 15%. How much did it cost after the discount? The result is rounded to two decimal places.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale

Which math statement does not contain a math variable ?